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Dehydration of butan -2-ol with conc. H(...

Dehydration of butan `-2-ol` with conc. `H_(2)SO_(4)` gives preferred product.

A

but-1-ene

B

but-2-ene

C

propene

D

ethane

Text Solution

Verified by Experts

The correct Answer is:
(B)
`CH_3-overset(H)overset(|)CH-overset(OH)overset(|)CH-CH_3overset(H_2SO_4)underset(Delta)rarrCH_3-CH=CH-CH_3(80%)+CH_3-CH_2-CH=CH_2(20%)`
This is in accordance with Saylzeff rule.
Hence, (B) is the correct answer.
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